Indium-bismuth-lead alloy



Patented Aug. 18, 1953 UNITED STATE, T

INDIUM-BISMUTH-LEAD ALLOY Albert A. Smith, J r., Metuchen, and John L. Everhart, Linden, N. 3., assignors to American Smelting and Refining Company, New York, N. Y., a corporation of New Jersey No Drawing. Application October 7, 1950, Serial No. 189,047

1 Claim. (01. 75-134) This invention relates to alloys and more par- Number Name Date ticularly it relates to low fusing point alloys. 2,218,153 Pray Oct. 5, 1940 It is an object of the invention to provide 2,464,821 Ludwick et a1. Mar. 22, 1949 cadmium-free low melting point alloys. OTHER REFERENCES In accordance with the invention alloys are 5 provided comprising 51 53% Bi, 21 23% In, Bureau of Standards clrcular N0. 382, April 2, 25 27% Pb and have fusing points of aPDrOXi- 1930; pages 8 and 1-0; published by U. S. Governmately C ment Printing Oflice.

It will be observed from the compositions that campbells L151? Of lloys, 1930; page 52;

these alloys do not contain cadmium and accordl0 pPblishefi by American Society for Testing Mateingly they are suitable for certain applications r1a1$,Ph11ade1phia,Pa-

as heat transfer media particularly in such ap- French Industrial and Engineering plications where cadmium would be detrimental. try, 27, December 1935; Pages 1464 and 1465- What is claimedis; French, Metal Industry (N. Y.), 1937, pages Low melting point alloys composed of 51-53% 15 106 a1 1d Bi, 21-23% In and 25-27% Pb Smith, Metal Industry (London), October 26,

ALBERT A. SMITH, JR. 1945; pa e 262. JOHN EVERHART American Society for Metals, Cleveland, Ohio,

Metals Handbook, 1948 ed.; pages 744 and 745. References Cited in the file of this patent 20 UNITED STATES PATENTS Number Name Date 1,878,686 Ellis V V V Sept. 20, 1932 

